Solenoid Operated Micro-Pumps

6
INSTALLATION DRAWING
1
2 3 4 5 6 7 8
A
Lead wires not to scale
Wires are 26 AWG and min 24” (610mm) long
2x 1/4”-28 UNF
Flat bottom port
Depth of port = .25” min. (6.4mm)
A
B
Ø1.0”
(Ø25.4mm)
.49”
(12.4mm)
Outlet
.72”
(18.3mm)
B
C
D
E
F
Set screw
position
variable
to +.25” (6mm)
(2.5”)
(63.5mm)
.84”
(21.3mm)
.688”
(17.5mm)
2x #4-40 UNF
Mounting holes
Inlet
1.4”
(35.6mm)
Micro-Pump
120SP series
C
D
E
F
1 2 3 4 5 6 7 8
SPECIFICATIONS
120SP Fluid Data
Dispense Volume (μl) 20 30 40 50 60
Set-point accuracy +/- 10% +/- 10% +/- 10% +/- 10% +/- 10%
Repeatability +/- 5% +/- 5% +/- 5% +/- 5% +/- 5%
Max flow rate (μl/min) 2400 3600 4800 6000 7200
Internal vol (μl) 105 105 105 105 105
Voltage
Power
@70˚F (21˚C)
120SP Electrical Data
Current
@70˚F (21˚C)
Effective continuous
power @ max cycle rate
12 VDC 4.0 Watts 0.32 amps 1.2 Watts
24 VDC 4.0 Watts 0.16 amps 1.2 Watts
120SP Cycle Rates
Fixed “on” time Min “off” time Max cycle rate
150 msec 350 msec 2.0 Hz
Recommended tubing for 120SP
Inlet & outlet, 1/32” (0.80mm) ID, hardwall
tubing, PART NO. 008T16-080
120SP Micro-Pumps can be cycled at up to 2 Hz. To maintain
pumping precision the voltage “on” time should remain fixed -
the pumping rate can be changed by increasing the “off” time.
Voltage (v)
a = 150 msec (fixed)
b = 350 msec (minimum, adjustable)
a
b
Time (msec)
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